Troilite King H E, Prewitt C T Acta Crystallographica B38 (1982) 1877-1887 High-pressure and high-temperature polymorphism of iron sulfides (FeS) Sample: T = 294 K, P = 3.33 GPa _database_code_amcsd 0009771 5.861 5.861 11.577 90 90 120 P-62c atom x y z Biso Fe .3779 .0556 .1228 1.09 S1 0 0 0 .8 S2 1/3 2/3 .0227 .85 S3 .665 -.0056 .25 .68